Article C5.19.1
FIA Approved Energy Store Cells
Technical Regulations
Article C5.19.1
FIA Approved Energy Store Cells
Chapter: C5
In Simple Terms
F1 teams can only use energy storage cells (batteries) that have been officially approved by the FIA. Manufacturers must submit their cell designs for approval by November 1st of the year before they plan to use them, ensuring all teams use safe and regulated components.
- Only FIA-approved cells can be used in the energy storage system
- Power Unit manufacturers must submit approval requests to the FIA Technical Department
- Approval deadline is November 1st of the preceding year
- This regulation ensures standardization and safety across all F1 teams
Official FIA Text
Only cells approved by the FIA Technical Department may be used in the ES. The approval request form must be sent by the PU Manufacturer to the FIA before the 1st of November of the preceding year.
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2026 Season Regulations